Frequently Asked Questions

No. The tones are no louder than playing music at full volume and use frequencies that are safe for phone speakers. Stop if you hear rattling or harsh distortion, and never play the tone with earbuds in your ears.

One 3 minute cycle handles light splashes. For heavier water exposure, run two or three cycles with the speaker facing down, wiping away droplets between cycles.

Yes. The tool runs in your browser on iPhones, Samsung phones, Pixels, and most other smartphones, plus earbuds, smartwatches, and laptops.

No. Everything runs in your browser. You can add the page to your home screen so it opens like an app.

Run the speaker test to check whether the issue is blockage or damage. Try the dust cleaner if the blockage might be lint. Sound cannot fix hardware damage, corrosion, or water deep inside the phone.

165 Hz is a low tone that moves the speaker membrane with large excursions, creating strong air displacement that pushes water droplets out of the grille.

No. The tone only affects the speaker. For a wet charging port, shake the phone gently with the port facing down and let it air dry. Never charge a wet phone.

Yes, completely free, with no signup and no limits.

It can push the water out, but salt leaves corrosive residue. If your phone touched sea water or pool water, rinse the exterior with fresh water first if your phone is water resistant, then use the tone, then let it dry fully.

Use the microphone cleaner mode instead. It plays a tone tuned for the mic opening, which is a separate component from the speaker.